| Helena to Solofra | 5,569.78 mi (8,963.69 km) |
| Helena to Somma Lombardo | 5,117.19 mi (8,235.32 km) |
| Helena to Somma Vesuviana | 5,555.47 mi (8,940.66 km) |
| Helena to Sommacampagna | 5,195.78 mi (8,361.80 km) |
| Helena to Sona | 5,193.45 mi (8,358.05 km) |
| Helena to Sondrio | 5,124.89 mi (8,247.72 km) |
| Helena to Sora | 5,483.29 mi (8,824.50 km) |
| Helena to Sorbolo | 5,214.75 mi (8,392.32 km) |
| Helena to Soresina | 5,173.08 mi (8,325.27 km) |
| Helena to Sorisole | 5,142.41 mi (8,275.90 km) |
| Helena to Sorrento | 5,567.61 mi (8,960.20 km) |
| Helena to Sorso | 5,381.03 mi (8,659.94 km) |
| Helena to Sortino | 5,786.09 mi (9,311.82 km) |
| Helena to Soverato Marina | 5,743.50 mi (9,243.27 km) |
| Helena to Sovicille | 5,324.75 mi (8,569.36 km) |
